TOEFL Reading: ETS-TOEFL阅读机经 - V95J3Y4K480B503NL$

According to paragraph 3, what were Kinetoscope parlors? A. Places where people could pay a penny to view a short film by looking into a machine B. Places where people could gather in crowds to watch short films projected onto large screens C. Special studios where Edison produced films that would be shown by his newly invented machine D. Places where Edison sold his phonographs, peep-show machines, and other popular inventions